28291213 (number)

28291213 is an odd 8-digits composite number following 28291212 and preceding 28291214. In scientific notation, it is written as 2.8291213 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 26550720 positive integers (up to 28291213) that are relatively prime to 28291213.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand two hundred thirteen

Notation

Scientific notation 2.8291213 × 10^7
Engineering notation 2.8291213 × 10^6

Prime Factorization of 28291213

Prime Factorization 17 × 379 × 4391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28291213
Product of the distinct prime numbers

The prime factorization of 28291213 is 17 × 379 × 4391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291213)

Multiplication

n×y
n×2 56582426
n×3 84873639
n×4 113164852
n×5 141456065

Division

n÷y
n÷2 14145606.5
n÷3 9430404.3333333
n÷3 7072803.25
n÷5 5658242.6

Exponentiation

ny
n2 800392733011369
n3 2.2644081293277E+22
n4 6.4062852705741E+29
n5 1.8124158112857E+37

Nth Root

y√n
2√n 5318.9484863082
3√n 304.70799967092
4√n 72.931121520982
5√n 30.926467291891

Divisors of 28291213

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28291212
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291213 can be divided by 8 positive divisors. The sum of these divisors (counting 28291213) is 1, the average is 0.125.

Base conversion 28291213

Base System Value
2 Binary 1101011111011000010001101
3 Ternary 1222020100020201
4 Quaternary 1223323002031
5 Quinary 24220304323
6 Senary 2450213501
8 Octal 153730215
10 Decimal 28291213
12 Duodecimal 9584291
16 Hexadecimal 1afb08d
20 Vigesimal 8gg80d
36 Base36 gudn1

Cryptographic Hash Functions

md5 4afab4f9cc2df58d769ea170863654fe
sha1 bea385ed31671e20f7af76778947e0e88352062e
sha256 de36671ab551877e96c6df2f44aa4a18e50a0b21fe31ca44434704e7f0095c25
sha512 4684d4cb868b4c42b651ee12c37be575af5b6f649824dc50ee1a377991d7509ed1d41916fb7ddbf509bb1ca263c203483a5fc1ef1772ae07ef4bbff1e69b997e
ripemd-160 8dbfc1fefc83395432371aa337d374aa8db2d85b

28291213 as geometric shapes

Circle

Radius = n
Diameter 56582426
Circumference 177758933.84389
Area 2.5145079300152E+15

Sphere

Radius = n
Volume 9.4851305917664E+22
Surface area 1.0058031720061E+16
Circumference 177758933.84389

Square

Length = n
Perimeter 113164852
Area 800392733011369
Diagonal 40009817.120586

Cube

Length = n
Surface area 4802356398068214
Volume 2.2644081293277E+22
Space diagonal 49001818.323753

Equilateral Triangle

Length = n
Perimeter 84873639
Area 3.4658021989615E+14
Altitude 24500909.161877

Triangular Pyramid

Length = n
Surface area 3.4658021989615E+14
Volume 2.6686305727026E+21
Height 13336605.706862